1 Flashcards
The atmospheres concentration of CO2 has risen by ____ since 1958 when measurements began at mounaloa observatory in Hawaii
30%
The unit of Pressure most commonly found on a surface weather map is?
Millibars or Hectopascals
In a warm front, what is being replaced?
Cold air
There are considerably more air molecules near the Earths surface than higher up, which means in comparison, air near the surface is ____?
Denser
Much of the Carbon Dioxide found in earlier atmosphere is currently locked up in____?
Carbonate rocks
Meteorology is the study of?
The atmosphere
Of the four most abundant gases in our atmosphere, carbon dioxide shows the greatest variation at Earths surface. True or False?
False
Water vapor can best be described as?
Gas
Most human made impurities found in the atmosphere present a health and environmental hazard. These are called?
Pollutants
Weather describes the conditions averaged over a region or over a period whereas climate describes the condition of the atmosphere at a particular time and place. T or F?
False
The concentration of visible gas ________ varies greatly from place to place, and from time to time
Water vapor
Earths atmosphere is a relatively thin, gaseous envelope that comprises mostly _______ and _______, with small amounts of other gases
Nitrogen and Oxygen
The temperature of the tropopause is what?
Is much colder than the temperature at earths surface
In ______ near earths surface today, nitrogen occupies 78% and oxygen nearly 21%
The volume of air
Humidity is?
A measure of the amount of water vapor in the air
Earths atmosphere is divided into named layers based on the vertical profile of what?
Air temperature
The rate at which temperature decreases with increasing altitude is known as ?
Lapse rate
The word “weather” is defined as?
The condition of the atmosphere at a particular time and place
Ozone (O3) in the stratosphere has what?
Protected life from harmful UV rays
The average or standard lapse rate in the troposphere is about 6.5 degrees Celsius for every 1000 m or about 3.6 degrees Fahrenheit for every 1000 ft rise in elevation. T or F?
True
The region where atoms and molecules shoot off into space is sometimes referred to as the exosphere which represents the upper limit of our atmosphere. T or F?
True
Wind direction is?
The direction from which the wind is blowing
A geostationary satellite takes pictures of ?
One area on earth as it moves at the same rate as earths spin
In which atmospheric layer is most of the ionsphere found?
Thermosphere
Carbon dioxide is a naturally occurring component of the atmosphere. T or F?
True
Ozone in the tropeshere causes what?
Causes warming and is a highly reactive oxidant
Someone who says that “The wind direction today is south” likely means that the wind is blowing from where?
Blowing from the south
The most abundant greenhouse gas in Earths current atmosphere is?
Water vapor (H2O)
Meteorology is the study of the atmosphere and its phenomena. Greek philosopher Aristotle wrote a book meteorologica. T or F?
True
The two most abundant greenhouse gases in Earths atmosphere are carbon dioxide and water vapor. True or False?
True
Middle latitude cyclonic storms are known as?
Extratropical cyclones
Our understanding of the atmosphere and how it produces weather is built on the knowledge acquired and applied through scientific method. True or False?
True
Atmospheric concentration of helium has increased from below 300 ppm to over 400 ppm presently. True or false?
False
The Ozone is an actual hole in the atmosphere a region of complete vacuum. True or False?
False
A constant out pouring of gases from the hot interior- known as ______- provided a rich supply of water vapor, which farmed into clouds.
Outgasing
Water vapor is what?
Gas
Almost all of Earths weather occurs in the _____?
troposphere
Which of the following is considered a vertical gas in Earths atmosphere?
Water Vapor
In a temperature inversion, air temperature does what?
Increases with height
Earths atmosphere is divided into named layers based on the vertical profile of ___?
Air temperature
Which weather element always decreases as we climb upward in the atmosphere?
Pressure
